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Blackmer TLGLF3 and TLGLF4 pumps are designed to flange mount directly to a commercial internal control valve, in combination with the tank of a bobtail or transport. Direct mounting eliminates the need for inlet pipes, shut-off valve and external strainer which can restrict flow and cause vaporization problems. The result is smoother operation and longer pump life.

Both models are equipped with a double-ended drive shaft for clockwise or counterclockwise rotation by simply changing position of the pump. Each model also has an auxiliary intake port which can be used for emergency unloading of another tank or transport. In addition, these pumps have an internal relief valve, patented cavitation suppression liners to reduce noise, vibration and wear.

Standard construction materials for both models include Buna-N mechanical seals and Duravanes for handling both LP-gas and anhydrous ammonia. The casing liner and end discs are replaceable for easy rebuilding of the pumping chamber if ever necessary.

The TLGLF3 is widely used on bobtails because of its compact mounting arrangement, with a 3-inch ANSI intake flange and 2-inch auxiliary intake and discharge ports. Capacities range from 60 to 129 U.S. gpm (227 to 488 L/min).

The TLGLF4 offers maximum output rates, and fast turnaround time for transports. It is designed with 4-inch ANSI intake flange, a 3-inch auxiliary intake port, and twin 2-inch discharge ports which permit the use of two hoses, if necessary, to reduce pressure loss when unloading into restrictive receiving systems. Capacities range from 200 to 350 U.S. gpm (757–1,325 L/min). Maximum differential pressure for both models is 125 psi (8.62 Bar).
Unit of Measure

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Item #

Standard Pump (Factory Relief Valve Setting)

Pump Speed

Approx. Delivery of Propane at Differential Pressures and Pump Speed (50 PSI (3.45 Bar))

Torque 50 psi (3.45 Bar)

Approx. Delivery of Propane at Differential Pressures and Pump Speed (100 PSI (6.89 Bar))

N/A 150 psi10.34 bar N/A 400 rpm500 rpm600 rpm650 rpm800 rpm870 rpm N/A 52 gpm70 gpm85 gpm93 gpm118 gpm129 gpm197 lpm265 lpm322 lpm352 lpm446 lpm488 lpm2.8 bhp3.6 bhp4 bhp4.3 bhp5.1 bhp6.5 bhp2.1 kW2.7 kW3 kW3.2 kW3.8 kW4.8 kW N/A 36.2 ft-lb37.4 ft-lb39.3 ft-lb40.4 ft-lb44.2 ft-lb45.9 ft-lb5 kg-m5.2 kg-m5.4 kg-m5.6 kg-m6.1 kg-m6.3 kg-m N/A 40 gpm68 gpm75 gpm83 gpm107 gpm119 gpm151 lpm257 lpm284 lpm314 lpm405 lpm450 lpm4.8 bhp6 bhp7.1 bhp7.9 bhp8.7 bhp10.9 bhp3.6 kW4.5 kW5.3 kW5.9 kW6.5 kW8.1 kW
N/A 150 psi10.34 bar N/A N/A N/A N/A
N/A 150 psi10.34 bar N/A 400 rpm500 rpm600 rpm650 rpm800 rpm N/A 160 gpm210 gpm260 gpm280 gpm350 gpm606 lpm795 lpm984 lpm1060 lpm1325 lpm9.5 bhp11.9 bhp14.3 bhp15.5 bhp22 bhp7.1 kW8.9 kW10.7 kW11.6 kW16 kW N/A 124.7 ft-lb125.0 ft-lb125.1 ft-lb125.2 ft-lb143 ft-lb17.2 kg-m17.3 kg-m20 kg-m N/A 120 gpm170 gpm220 gpm245 gpm306 gpm454 lpm644 lpm833 lpm927 lpm1158 lpm15.2 bhp19.0 bhp23.0 bhp25.0 bhp34 bhp11.3 kW14.2 kW17.2 kW18.6 kW25 kW
N/A 150 psi10.34 bar N/A N/A N/A N/A
N/A 150 psi10.34 bar N/A N/A N/A N/A
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